Definition: In this task, you are given an input list A. You need to extract and sort the unique digits used in the list in ascending order. Return -1 if there is no digit in the list.
Input: ['119', 'i', '181', '395', 'x', '117', 's', 'w', '295', '197']

1, 2, 3, 5, 7, 8, 9